What Can You Do With Twenty● Play music from your iPhone, iPod touch, iPad or any device that supports AirPlay, or your computer's iTunes library. ● Use Apple's “Remote” app to control your iTunes library from anywhere in the house.● Stream music from your favorite AirPlay-enabled apps… Pandora, Rdio, Spotify, Last.fm and more● Purchasing movies and TV shows from iTunes? Watch them on your computer or iOS device while the audio plays through your stereo speakers.